| Name | Relationship | Address | Signature | Signature date | CIK |
|---|---|---|---|---|---|
| Dugan Terence Patrick | Director | 797 COMMONWEALTH DRIVE, WARRENDALE | /s/ Dan Murtha, Attorney-in-fact for Terence P. Dugan | 21 Jan 2026 | 0002105879 |
| Type | Sym | Class | Transaction | Value $ | Shares | Change % | * Price $ | Shares After | Date | Underlying Class | Amount | Exercise Price | Ownership | Footnotes |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| transaction | LMB | Restricted Stock Units | Award | $0 | +1,498 | $0.000000 | 1,498 | 20 Jan 2026 | Common Stock | 1,498 | Direct | F1, F2 |
| Id | Content |
|---|---|
| F1 | Each restricted stock unit ("RSU") represents a contingent right to receive one share of Limbach Holdings, Inc. (the "Company") common stock, exempt under Rule 16b-3. |
| F2 | This award of RSUs was granted on January 20, 2026. The RSUs are scheduled to cliff vest on January 1, 2027. |